File:Equation_vs_Expression.png · Wikimedia Commons · See Wikimedia Commons
mathematical expression
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formula that represents a mathematical object
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What is Expression in Math? Meaning, Definition, Types, Examples
An expression in math is a statement having minimum of two numbers, or variables, or both and an operator connecting them. Learn about expressions, its parts & more.
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In the equation 7x − 5 = 2, the sides of the equation are expressions. In mathematics, an expression is an arrangement of symbols following the context-dependent, syntactic conventions of mathematical notation. Symbols can denote numbers, variables, operations, and functions. Other symbols include punctuation marks and brackets, used for grouping where there is not a well-defined order of operations.
Expressions are commonly distinguished from formulas: expressions usually denote mathematical objects, whereas formulas are statements about mathematical objects, such as an equality. This is analogous to natural language, where a noun phrase refers to an object, and a whole sentence refers to a fact. For example,